diff --git a/charts/thanos-operator/crds/monitoring.banzaicloud.io_receivers.yaml b/charts/thanos-operator/crds/monitoring.banzaicloud.io_receivers.yaml
index cb1bf7c4..135412fb 100644
--- a/charts/thanos-operator/crds/monitoring.banzaicloud.io_receivers.yaml
+++ b/charts/thanos-operator/crds/monitoring.banzaicloud.io_receivers.yaml
@@ -419,6 +419,8 @@ spec:
                       additionalProperties:
                         type: string
                       type: object
+                    logLevel:
+                      type: string
                     metaOverrides:
                       properties:
                         annotations:
diff --git a/config/crd/bases/monitoring.banzaicloud.io_receivers.yaml b/config/crd/bases/monitoring.banzaicloud.io_receivers.yaml
index cb1bf7c4..135412fb 100644
--- a/config/crd/bases/monitoring.banzaicloud.io_receivers.yaml
+++ b/config/crd/bases/monitoring.banzaicloud.io_receivers.yaml
@@ -419,6 +419,8 @@ spec:
                       additionalProperties:
                         type: string
                       type: object
+                    logLevel:
+                      type: string
                     metaOverrides:
                       properties:
                         annotations:
diff --git a/pkg/resources/receiver/statefulset.go b/pkg/resources/receiver/statefulset.go
index f133caa4..2b1ee9fb 100644
--- a/pkg/resources/receiver/statefulset.go
+++ b/pkg/resources/receiver/statefulset.go
@@ -52,7 +52,6 @@ func (r receiverInstance) statefulset() (runtime.Object, reconciler.DesiredState
 								"--receive.hashrings-file=/etc/hashring/hashring.json",
 								fmt.Sprintf("--receive.replication-factor=%d", 1),
 								"--label=receive_replica=\"$(NAME)\"",
-								"--log.level=debug",
 							},
 							Env: []corev1.EnvVar{
 								{
diff --git a/pkg/sdk/api/v1alpha1/receiver_types.go b/pkg/sdk/api/v1alpha1/receiver_types.go
index 4519a5a3..80b67794 100644
--- a/pkg/sdk/api/v1alpha1/receiver_types.go
+++ b/pkg/sdk/api/v1alpha1/receiver_types.go
@@ -105,6 +105,8 @@ type ReceiverGroup struct {
 	TSDBWalCompression *bool `json:"tsdbWalCompression,omitempty" thanos:"--tsdb.wal-compression"`
 	// Do not create lockfile in TSDB data directory. In any case, the lockfiles will be deleted on next startup.
 	TSDBNoLockfile *bool `json:"tsdbNoLockfile,omitempty" thanos:"--tsdb.no-lockfile"`
+	// Log level
+	LogLevel string `json:"logLevel,omitempty" thanos:"--log.level=%s"`
 }
 
 // ObjectStoreStatus defines the observed state of ObjectStore